GPS高精度校时在卫星控制系统中的应用

李浛; 程砾瑜; 曹海宁; 李鹤; 董筠; 李松明

doi:10.11834/jrs.20120010

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GPS高精度校时在卫星控制系统中的应用
Usage of high accuracy GPS time calibration in satellite onboard control system
2012年16卷第S1期页码：52-56
纸质出版日期： 2012 ，
DOI： 10.11834/jrs.20120010

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[1]李浛,程砾瑜,曹海宁,李鹤,董筠,李松明.GPS高精度校时在卫星控制系统中的应用[J].遥感学报,2012,16(S1):52-56.

Usage of high accuracy GPS time calibration in satellite onboard control system[J]. Journal of Remote Sensing, 2012,16(S1):52-56.
[1]李浛,程砾瑜,曹海宁,李鹤,董筠,李松明.GPS高精度校时在卫星控制系统中的应用[J].遥感学报,2012,16(S1):52-56. DOI： 10.11834/jrs.20120010.

Usage of high accuracy GPS time calibration in satellite onboard control system[J]. Journal of Remote Sensing, 2012,16(S1):52-56. DOI： 10.11834/jrs.20120010.

摘要

介绍了一种利用GPS时间信息进行控制系统高精度校时的方法。该方法以GPS接收机发送的秒脉冲为基准

同时接收GPS整秒广播时间完成控制系统自主校时

可使控制系统的校时精度优于0.1ms

满足卫星对高精度时间的要求。

Abstract

A method for performing the high accuracy time calibration of satellite onboard control system with the GPS time information is presented.In this method

the Pulse Per Sceond（PPS） sent by the GPS receiver is served as the reference

while the broadcast time of GPS whole-seconds is received to perform the autonomous time calibration of satellite onboard control system

this allows the time calibration accuracy of satellite onboard control system to be over 0.1 ms and also meet the high accuracy time requirements of satellite.

关键词

卫星控制系统GPS高精度校时GPS秒脉冲GPS整秒时间

Keywords

satellite onboard control systemhigh accuracy GPS time calibrationGPS pulse per sceond（PPS）GPS wholeseconds time

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